A few laboratory fast-quenching devices, including a twin-roller quencher, are briefly discussed at section 4.6 entitled "Practical aspects of freeze-In process mostly applied to metallic alloys" at: Jaroslav Šesták, Carlos A. Queiroz, Jirı J. Mareš, Miroslav Holecek, Chap. 4 in: “Glassy, Amorphous and Nano-crystalline Material: Thermal Physics, Analysis, Structure and Properties”, Hot Topics in Thermal Analysis and Calorimetry, Vol. 8, Springer, 2011, pp. 59-75: https://www.researchgate.net/publication/231127343_Some_Aspects_of_Vitrification_Amorphisation_and_Disordering_and_the_Generated_Extent_of_Nano-Crystallinity

Chapter Some Aspects of Vitrification, Amorphisation and Disordering...